ganmiri3ti3sh ganmiri3ti3sh
  • 08-11-2016
  • Chemistry
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#1: Arsenic is a metalloid. How many valence electrons does arsenic have?

A. 3

B. 4

C. 5

D. 6

Respuesta :

Edufirst
Edufirst Edufirst
  • 10-11-2016
Arsenic, As belongs to group 15 (formerly group 5A).

The number of valence electrons is given by the last digit in the number of the group, i.e. 5. Then the answer is the option C. 5.
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